 /*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.update.core.model;

 import java.io.IOException ;
 import java.io.InputStream ;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.update.core.Utilities;
 import org.eclipse.update.internal.core.Messages;
 import org.xml.sax.SAXException ;

 /**
  * Default feature model factory.
  * <p>
  * This class may be instantiated or subclassed by clients. However, in most
  * cases clients should instead subclass the provided base implementation
  * of this factory.
  * </p>
  * <p>
  * <b>Note:</b> This class/interface is part of an interim API that is still under development and expected to
  * change significantly before reaching stability. It is being made available at this early stage to solicit feedback
  * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
  * (repeatedly) as the API evolves.
  * </p>
  * @see org.eclipse.update.core.BaseFeatureFactory
  * @since 2.0
  */

 public class FeatureModelFactory {


     //private static DefaultFeatureParser parser = new DefaultFeatureParser();

     /**
      * Creates a default model factory.
      *
      * @since 2.0
      */
     public FeatureModelFactory() {
         super();
     }

     /**
      * Creates and populates a default feature from stream.
      * The parser assumes the stream contains a default feature manifest
      * (feature.xml) as documented by the platform.
      *
      * @param stream feature stream
      * @return populated feature model
      * @exception CoreException
      * @exception SAXException
      * @since 2.0
      */
     public FeatureModel parseFeature(InputStream stream)
         throws CoreException, SAXException {
         return parseFeature(stream, null);
     }
     
     /**
      * Creates and populates a default feature from stream.
      * The parser assumes the stream contains a default feature manifest
      * (feature.xml) as documented by the platform.
      *
      * @param stream feature stream
      * @param location feature location
      * @return populated feature model
      * @exception CoreException
      * @exception SAXException
      * @since 3.1
      */
     public FeatureModel parseFeature(InputStream stream, String location)
         throws CoreException, SAXException {
         DefaultFeatureParser parser = new DefaultFeatureParser();
         parser.init(this, location);
         FeatureModel featureModel = null;
         try {
             featureModel = parser.parse(stream);
             if (parser.getStatus()!=null) {
                 // some internalError were detected
 IStatus status = parser.getStatus();
                 throw new CoreException(status);
             }
         } catch (IOException e) {
             throw Utilities.newCoreException(Messages.FeatureModelFactory_ErrorAccesingFeatureStream, e);
         }
         return featureModel;
     }

     /**
      * Create a default feature model.
      *
      * @see FeatureModel
      * @return feature model
      * @since 2.0
      */
     public FeatureModel createFeatureModel() {
         return new FeatureModel();
     }

     /**
      * Create a default included feature reference model.
      *
      * @see IncludedFeatureReferenceModel
      * @return feature model
      * @since 2.1
      */
     public IncludedFeatureReferenceModel createIncludedFeatureReferenceModel() {
         return new IncludedFeatureReferenceModel();
     }


     /**
      * Create a default install handler model.
      *
      * @see InstallHandlerEntryModel
      * @return install handler entry model
      * @since 2.0
      */
     public InstallHandlerEntryModel createInstallHandlerEntryModel() {
         return new InstallHandlerEntryModel();
     }

     /**
      * Create a default import dependency model.
      *
      * @see ImportModel
      * @return import dependency model
      * @since 2.0
      */
     public ImportModel createImportModel() {
         return new ImportModel();
     }

     /**
      * Create a default plug-in entry model.
      *
      * @see PluginEntryModel
      * @return plug-in entry model
      * @since 2.0
      */
     public PluginEntryModel createPluginEntryModel() {
         return new PluginEntryModel();
     }

     /**
      * Create a default non-plug-in entry model.
      *
      * @see NonPluginEntryModel
      * @return non-plug-in entry model
      * @since 2.0
      */
     public NonPluginEntryModel createNonPluginEntryModel() {
         return new NonPluginEntryModel();
     }

     /**
      * Create a default annotated URL model.
      *
      * @see URLEntryModel
      * @return annotated URL model
      * @since 2.0
      */
     public URLEntryModel createURLEntryModel() {
         return new URLEntryModel();
     }
 }

